Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent wear a necklace. If one of the students is chosen randomly, what is the probability that this student is wearing a ring or a necklace. Provide a decimal response with only 1 decimal place

Q: A quiz consists of 6 multiple choice questions. Each question has 4 choices. A student who forgets…

A: Let X=the number of correct questions n=number of trials=6 p=probability of getting the correct…

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: The probability that a person owns a video game system is 70%. The probability of owning a video…

A: Given : The probability that a person owns a video game system is 70% P(Video game) = 0.7 The…

Q: Find the probability distribution for the number of Modern CD when 4 CDs are selected at random from…

A:

Q: e numbered 1, 2,  and 3. Three black cards are numbered 4,  5,  and 6. The cards are placed in a box…

A: Given: n(red) = 3 (1,2,3) n(black) = 3 (4,5,6) n(drawn) = 1

Q: aster randomly selects four singers from the choir to be interviewed by a newspaper. Find the…

A: Given: Number of boys=9Number of girls=15Total number of singers=15+9=24 The given probability can…

Q: Find the probability of selecting  4  science books and  5  math books from  7  science books and…

A: The total number of science books is 7 and the total number of math books is 9.

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 8 seeds are planted,…

A: Answer:- Given, a seed is planted, it has a 70% chance of growing into a healthy plant.…

Q: In one town, 28% of all voters are Democrats. If two voters are randomly selected for a survey, find…

A: Given that, Probability, p = 28% = 0.28 Sample size = 2

Q: Richard has been given a 6-question multiple-choice quiz in his history class. Each question has…

A: Here the given information is Richard has been given a 6-question multiple-choice quiz in his…

Q: d marbles and 18 blue marbles.  You reach in and pick 4 marbles at random (without replacement).…

A: Given information: 15-red marbles18-blue marbles33-Total marbles 4 marbles are picked at random…

Q: LeBron James makes 73% of his freethrow attempts. Calculate the probability that LeBron makes…

A: Introduction: A Binomial is a type of distribution which has two possible outcomes. i.e., either…

Q: A bowl of candy contains 22 toffees, 26 mints, 41 jujubes, and 58 jellybeans. Richard picks a candy…

A:

Q: Find the indicated probability.  In one town, 39% of all voters are Democrats. If two voters are…

A: From the given information, it is clear thatThe probability that all voters are democrats= 0.39.That…

Q: the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be hired…

A:

Q: A bag contains 2 red marbles and 5 white marbles. What is the probability of drawing two red marbles…

A: What is the probability of drawing two red marbles at random if the first marble drawn is not…

Q: The Gallup Poll reported that  52%  of Americans used a seat belt the last time they got into a…

A: Let X be number of people used a seat belt the last time they got into a car from binomial…

Q: If the probability that the Yankees will win a baseball game is 60%, find the probability that the…

A: The probability that Yankees will win a baseball game is 60%, that is PWinning=0.60.

Q: An office has 7 men and 6 women employees.  Three employees are picked at random for a trip to…

A: 7 men 6 women  ____________ 13 total employees select 3 at random  P(2 males and 1 female) = ?

Q: contains three red hats, two green hats and one orange hat. Eight hats will be drawn at random with…

A:

Q: United States, 40% of the population has brown eyes.  If 14 p

A: Here it is given that- Sample proportion (p) = 40100=0.4 Total number of observations (n) = 14 As n…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 50…

A: p( major in STEM)=p=0.27q=1-p=1-0.27=0.73n=50x= no. of them major in STEMhere data follows the…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: Six free tickets to a Manchester United match at Old Trafford will be shared by drawing lots among…

A: Given that: Number of tickets = 6 Number of boys = 10 Number of girls = 8 Each student can win at…

Q: A student takes a four-question, True or False quiz and guess at every answer. What is the…

A:

Q: Zion Williamson makes 65% of his freethrow attempts. Calculate the probability that he makes exactly…

A: The objective of this question is to calculate the probability that Zion Williamson makes exactly 6…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: High school seniors who are accepted to TCNJ have a 60% yield rate, meaning that 60% of accepted…

A: Given information, the percentage of accepted students decide to attend TCNJ is 60% and there are 3…

Q: Find the probability of dealing two red cards from a standard deck of cards.

A: In a standard deck of cards, there are 52 cards in total out of which there are 26 red cards and 26…

Q: In a box there are 4 red, 4 blue and 3 white marbles. Two marbles are selected at random and the…

A:

Q: Find the probability distribution for the number of dance collections when 3 collections are…

A: Let X be a random variable which represents the number of dance collections when 3 collections are…

Q: Brad has to select 5 students from a class of 43 girls and 21 boys. What is the probability that…

A: GivenNo.of girls in a class = 43No.of boys in a class = 21Total no. of boys = 64

Q: A student and a professor each choose a number between 1and 9. What is the probability that the two…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.